class_docstr: Serialization schema that serializes an object of Flink types into a JSON bytes. Serializes the
  input Flink object into a JSON string and converts it into byte[].
  
  Result byte[] message can be deserialized using JsonRowDeserializationSchema.
code: def builder():
      return JsonRowSerializationSchema.Builder()
  
file_path: flink/flink-python/pyflink/datastream/formats/json.py
imports: from pyflink.common import SerializationSchema, TypeInformation, typeinfo, DeserializationSchema
  from pyflink.java_gateway import get_gateway
label_desc: Use image node_id 2 for calling the JsonRowSerializationSchema obj's underlying member method code with example usage: obj.builder() and returns: JsonRowSerializationSchema